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电站锅炉

发布时间:2020-03-02 04:03:15 来源:范文大全 收藏本文 下载本文 手机版

电站锅炉

Power plant boiler 运行工况

Running condition 1)锅炉炉膛压力是否有超控制值规定范围。

Whether the boiler furnace preure is exceeded the stipulated control value range.2)有无防止炉膛爆炸的措施

Whether the measure is taken for preventing the furnace explosion.3)最近年度是否发生过炉膛爆炸事故,原因是否查明,措施是否落实

Whether the furnace explosion is occurred in the last year and the case is investigated and the measure is implemented.1)过热器是否有超设计壁温运行工况和超温爆管事故

Whether the working condition of superheater is exceeding the design wall temperature and whether the tube explosion accident caused by overtemperature.1)主汽是否发生过超温、超压和低汽温运行工况。

Whether the over-temperature, overpreure and low steam temperature working condition is existed in the main steam.1)最近年度是否发生过汽包满水或缺水事故。

Whether the full water and water lack of drum is happened in last year.2)汽包就地和远传水位表是否按规定作定期校对,偏差是多少。

Local and remote water level meter whether it is calibrated regularly in accordance with regulation and what’s the deviation.

3)汽包就地事故及正常照明是否良好。

Both local emergency lighting and normal lighting of drum is kept in good condition.4)水位表液面刻度指示是否清晰。

Whether the surface scale indication of water level is clear 1)最近年度是否发生过尾部烟道再燃烧事故。

Whether the re-combustion accident is occurred on the rear flue-gas duct in last year 2)是否有防止尾部烟道再燃烧的预防措施。

Whether the preventive measure is taken for preventing the re-combustion of rear flue-gas duct.1)有无进行煤仓自燃评估,是否有防止煤仓自燃的预防措施,是否合理完善,是否落实。 Whether the self-ignition aement of coal bunker is carried out and the preventative measure is taken to prevent the coal bunker self-ignition and whether it is reasonable and complete and implemented.1)最近年度有无发生水冷壁、省煤器泄漏事故,如有原因是否查明,措施是否落实。

Whether the water wall and economizer are leaked in the last year, if leaked and whether the case is investigated and the measure is implemented.2)有无相应的预防措施。

Whether have the corresponding preventive measure.锅炉连排、定排是否按要求执行。

Boiler continuous blowdown and periodic blowdown is carried out in accordance with the requirement.汽包、主汽安全门是否进行定期校验与放气试验。

Periodic calibration and air discharge test are carried out for steam drum and main steam valve. 吹灰器是否按运行规程正常投运。

Whether soot blower is put into operation in complying with the operating specification.最近年度是否发生过由于除尘器导致的锅炉降出力运行或停炉。

Whether the boiler output capacity decrease and boiler shutdown are occurred in last year due to the EPS failure.启、停锅炉是否严格按运行规程规定进行:

Boiler start and shutdown is strictly carried out in accordance with operational specification: 1)升温升压或降温降压的速率是否按厂家规定进行;

Temperature and preure increase and temperature and preure decrease rate are operated in accordance with manufacturer regulation.2)汽包壁温差不超厂家规定,厂家无规定时不超50度。

Drum wall temperature difference should not exceed the regulation specified by manufacturer, if there has no regulation from the manufacturer that the temperature difference should not exceed50℃.3)点火过程中各部无超温。

There should be no temperature difference in every section during the ignition. 主、辅设备技术状况

Main and auxiliary equipment technical condition 1)最近年度是否发生过承压部件的泄漏事故。

Whether the preure-bearing part is leaked in last year i2)检修中,有无对各类承压部件进行检查。

Preure-bearing parts are inspected during the maintenance and repair.3)高温高压管道及阀门的支吊架是否设计安装要求。

Whether supports and hangers for high temperature-preure pipeline and valve are designed with installation requirements.1)事故放水门、向空排汽门、给水调整门、省煤器再循环门、过热蒸汽减温水调整门、电动主汽门、定期排污门、连续排污门是否存在开关失灵、内外漏严重等尚未消除的缺陷。 Whether the serious leakage failure, switch malfunction and leakage are existed in the emergency discharge valve, atmospheric exhaust valve, feedwater adjusting valve, economizer recycle valve, superheated steam attemperating water valve, electrical main steam valve, periodic blowdown valve, continuous blowdown valve.1)

一、二次风机、引风机运行良好

Primary and secondary fan is running properly.1)空预器是否完好,堵灰、堵管是否严重。

Air preheater is complete and whether the ash is serious accumulated and blocking the pipe.2)空预器漏风率不超过设计值。

The leakage rate of air preheater should not exceed the design value.热力设备及其系统保温是否符合规定。

Whether the thermal equipment and insulation arecomplying with the regulations.除灰除渣设备及其系统

Ash-slag removal equipment and system

1)是否发生过由于除灰除渣设备故障导致的锅炉降出力或停炉(每三月不超过两次)

Whether the boiler output capacity decrease and boiler shutdown are occurred that caused by ash-slag removal equipment failure (not exceed twice in every quarter).2)除灰除渣系统是否存在尚未消除的严重缺陷。

Whether there is a serious defect that has not been eliminated in the ash-slag removal equipment.1)阀门编号、开关方向标志是否齐全、清晰。

Whether valve serial number and switch direction label is clear and complete.1)主设备及附属设备名称编号标志是否齐全、清晰

Whether the main equipment and auxiliary equipment name numbering is clear and complete.1)主、辅转动设备的转动方向标志,执行机构开关方向标志是否齐全、清晰

Whether main and auxiliary equipment rotation direction and actuator switch direction signs are complete and clear.1)DCS及就地测点齐全完整,指示正常,参数报警值设置合理,报警音响、闪光准确。 技术资料

DCS and local gauging point should be complete and indicating properly, to set the alarm valve and parameter reasonably and the alarm sound and flashlight should be accurate. 1)运行规程是否完全且符合要求;

Whether the operation manuals are complete and meet the requirement.1)检修规程和质量标准是否完全且符合要求;

Whether maintenance regulation and quality standard are complete and meet the requirement.1)设备台帐、设备缺陷管理、备品备件管理、技术监督等技术资料齐全完整。

Equipment list, equipment defect management, spare part management and technical supervision documents are complete.1)定期开展运行分析和专题分析

The operational analysis and thematic analysis should be carried out regularly.1)大小修技术资料齐全,包括大修准备工作、施工管理、验收、大小修工作总结等

The technical information for overhaul and maintenance or repair should be complete, and including the preparation work, construction management, inspect and accept, summarize of overhaul and maintenance or repair.

1)主、辅设备主要结构图纸、系统图册,专业技术分析资料、试验、化验报告等

Main and auxiliary structure drawing, system drawing, special technology analysis document, trial and laboratory analysis report.

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电站锅炉
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